To Know Whether There Is a Relationship Between Two Variables,you

question 17

Multiple Choice

To know whether there is a relationship between two variables,you draw a line around the outer edges of a scatterplot.If there is a negative relationship,

• A)the scatterplot is simultaneously elliptical and circular.
• B)the scatterplot is elliptical and is slanted upward (left to right).
• C)the scatterplot is elliptical and is slanted downward (left to right).
• D)the scatterplot is either circular or elliptical,and the ellipse is parallel to the X axis.

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Definitions:

HCl Loss

A chemical process or reaction that results in the removal or release of hydrochloric acid (HCl) from a compound or mixture.

NaCl Formation

The process of creating sodium chloride, commonly known as table salt, through the chemical reaction of sodium and chlorine.

Ignition Temperature

The minimum temperature required to cause a substance to ignite and continue burning independently without external heat sources.

Explosion Level

A term describing the concentration range of a substance in air within which the substance can explode.